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/**
* @format
* @flow strict-local
*/
import React from 'react';
import {
Alert,
AppRegistry,
Dimensions,
FlatList,
NativeModules,
StyleSheet,
Text,
View,
} from 'react-native';
import NoteWidget from './Widgets/NoteWidget';
const window = Dimensions.get("window");
const screen = Dimensions.get("screen");
const noteWidgetWidth = 300;
class NotesMainPanel extends React.Component {
constructor(props) {
super(props);
this.state = {
notes: [],
dimensions: {window, screen},
columns: this.calculateColumnWidth(window),
isMounted: false,
}
};
calculateColumnWidth = (window) => {
return Math.floor(Dimensions.get("window").width / noteWidgetWidth);
};
onChange = ({ window, screen }) => {
this.setState({ dimensions: { window, screen }, columns: this.calculateColumnWidth(window) });
};
componentDidMount() {
this.getDataFromDatabase();
Dimensions.addEventListener("change", this.onChange);
};
componentWillUnmount() {
Dimensions.removeEventListener("change", this.onChange);
};
createNotesKeys = (numberOfNotes) => {
let allNotesKeys = [];
for(id = 0; id < numberOfNotes; id++) {
const nextObject = {key: id};
allNotesKeys.push(nextObject);
}
this.setState({notes: allNotesKeys});
};
getDataFromDatabase = () => {
NativeModules.Database.getNumberOfNotes()
.then(result => this.createNotesKeys(result))
.catch(error => Alert.alert("ERROR!", `Result: ${error}`));
};
renderNote = notes => {
return <NoteWidget width={noteWidgetWidth} ID={notes.item.key}/>
};
render() {
return(
<View style={styles.mainContainer}>
<FlatList key={this.state.columns} numColumns={this.state.columns} data={this.state.notes} renderItem={this.renderNote}/>
</View>
);
}
};
const styles = StyleSheet.create({
mainContainer: {
flex: 1,
margin: 25,
flexDirection: "column",
backgroundColor: "transparent",
justifyContent: "space-around",
},
welcomeText: {
fontSize: 25,
fontFamily: "Papyrus",
}
});
AppRegistry.registerComponent("NotesMainPanel", () => NotesMainPanel);
export default NotesMainPanel;